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https://www.readbyqxmd.com/read/29332307/scaffold-thrombosis-following-implantation-of-the-absorb-bvs-in-routine-clinical-practice-insight-into-possible-mechanisms-from-optical-coherence-tomography
#1
Robin P Kraak, Alexandre H Kajita, Hector M Garcia-Garcia, Jose P S Henriques, Jan J Piek, E Karin Arkenbout, René J van der Schaaf, Jan G P Tijssen, Robbert J de Winter, Joanna J Wykrzykowska
OBJECTIVES: To identify potential underlying mechanisms of early and (very) late scaffold thrombosis (ScT) by optical coherence tomography (OCT), in a frame-by-frame analysis. BACKGROUND: The absorb scaffold is associated with an increased risk of ScT compared with metallic stents. Several potential causes of bioresorbable ScT have been identified, however the precise etiology still remains unclear. METHODS: Between February 2013 and February 2016, 13 patients presenting with definite ScT underwent OCT imaging...
January 14, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29326152/decision-analytic-markov-model-weighting-expected-benefits-and-current-limitations-of-first-generation-bioresorbable-vascular-scaffolds-implications-for-manufacturers-and-next-device-iterations
#2
Davide Capodanno, Sergio Buccheri, Sara Romano, Piera Capranzano, Bruno Francaviglia, Corrado Tamburino
BACKGROUND: Relative benefits of bioresorbable vascular scaffolds (BVS) compared with everolimus-eluting stents (EES) are expected to accrue after complete bioresorption. METHODS AND RESULTS: We built a decision analytic Markov model comparing BVS and EES for a contemporary percutaneous coronary intervention population. Procedure-related morbidity and outcome data from the available literature were used to derive model probabilities. The net benefit of BVS and EES was estimated in terms of quality-adjusted life expectancy...
January 2018: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29314641/chronic-total-occlusion-does-anti-platelet-choice-impact-outcomes
#3
EDITORIAL
Wassim Shatila, Zvonimir Krajcer
Chronic total occlusion (CTO) is associated with worse outcomes compared to non CTO percutaneous coronary intervention (PCI). CTO might be associated with vasomotor dysfunction Ticagrelor is a novel P2Y12 inhibitor that increases local adenosine The TIGER-BVS trial plans to assess the impact of using ticagrelor vs. clopidogrel on vasomotor activity and outcomes after successful CTO PCI.
January 1, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29300162/production-of-gp64-free-virus-like-particles-from-baculovirus-infected-insect-cells
#4
Lorena C S Chaves, Bergmann M Ribeiro, Gary W Blissard
The retroviral Gag protein is frequently used to generate 'virus-like particles' (VLPs) for a variety of applications. Retroviral Gag proteins self-assemble and bud at the plasma membrane to form enveloped VLPs that resemble natural retrovirus virions, but contain no viral genome. The baculovirus expression vector system has been used to express high levels of the retroviral Gag protein to produce VLPs. However, VLP preparations produced from baculovirus-infected insect cells typically contain relatively large concentrations of baculovirus budded virus (BV) particles, which are similar in size and density to VLPs, and thus may be difficult to separate when purifying VLPs...
January 4, 2018: Journal of General Virology
https://www.readbyqxmd.com/read/29279686/abutment-misfit-in-implant-supported-prostheses-manufactured-by-casting-technique-an-integrative-review
#5
REVIEW
Lorena M S Pereira, Mariane B Sordi, Ricardo S Magini, Antônio R Calazans Duarte, Júlio C M Souza
The aim of this study was to perform an integrative review of the literature on the clinically usual prosthesis-abutment misfit over implant-supported structures manufactured by conventional casting technique. The present integrative review used the PRISMA methodology. A bibliographical search was conducted on the following electronic databases: MEDLINE/PubMed (National Library of Medicine), Scopus (Elsevier), ScienceDirect (Elsevier), Web of Science (Thomson Reuters Scientific), Latin American and Caribbean Center on Health Sciences Information (BIREME), and Virtual Health Library (BVS)...
October 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/29278353/long-term-safety-of-bioresorbable-scaffolds-insights-from-a-network-meta-analysis-including-91-trials
#6
Si-Hyuck Kang, Bill D Gogas, Ki-Hyun Jeon, Jie-Suck Park, Wonjae Lee, Chang-Hwan Yoon, Jung-Won Suh, Seung-Sik Hwang, Tae-Jin Youn, In-Ho Chae, Hyo-Soo Kim
AIMS: To investigate the long-term safety and efficacy of biodegradable scaffolds and metallic stents. METHODS AND RESULTS: We analyzed a total of 91 randomized controlled trials with a mean follow-up of 3.7 years in 105,842 patients which compared 2 or more coronary metallic stents or biodegradable scaffolds and reported the long-term clinical outcomes (≥2 years). Network meta-analysis showed that patients treated with the Absorb bioresorbable vascular scaffold (BVS) had significantly higher risk of definite or probable scaffold thrombosis (ScT) compared to those treated with metallic DES...
December 26, 2017: EuroIntervention
https://www.readbyqxmd.com/read/29247976/coronary-calcification-as-a-mechanism-of-plaque-media-shrinkage-in-vessels-treated-with-bioresorbable-vascular-scaffold-a-multimodality-intracoronary-imaging-study
#7
Yaping Zeng, Rafael Cavalcante, Carlos Collet, Erhan Tenekecioglu, Yohei Sotomi, Yosuke Miyazaki, Yuki Katagiri, Taku Asano, Mohammad Abdelghani, Shaoping Nie, Christos V Bourantas, Nico Bruining, Yoshinobu Onuma, Patrick W Serruys
BACKGROUND AND AIMS: Whether coronary calcification is correlated with plaque/media shrinkage (PS) remains unclear. The aim of this study was to assess the relationship between the calcification process and PS, combining serial optical coherence tomography (OCT) and intravascular ultrasound (IVUS) in vessels treated with bioresorbable vascular scaffolds (BVS). METHODS: In 15 patients (16 vessels), OCT and IVUS images were matched using anatomic landmarks at post-procedure and five years...
December 2, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/29247157/a-case-of-subacute-bioresorbable-vascular-scaffold-thrombosis-what-was-wrong
#8
Seraj A Abualnaja, Hanan M Alrammah, Bayan A Alsaif, Malak O Almulla, Bayan A Alzahrani
BACKGROUND The introduction of bioresorbable vascular scaffolds (BVS) into the field of percutaneous coronary intervention (PCI) was thought to be a promising step in solving the issues raised with the use of early bare metal stents (BMS) and drug eluting stents (DES); however, studies have raised concerns regarding thrombosis risk associated with the use of these stents. CASE REPORT A 42-year-old male presented with acute coronary syndrome (ACS), on diagnostic coronary angiography he had 75% and 70% stenosis in mid and distal left anterior descending artery (LAD) respectively, PCI with BVS implantation was done...
December 16, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29235306/comparison-of-everolimus-eluting-bioresorbable-vascular-scaffolds-and-metallic-stents-three-year-clinical-outcomes-from-the-absorb-china-randomised-trial
#9
Bo Xu, Yuejin Yang, Yaling Han, Yong Huo, Lefeng Wang, Xiangqian Qi, Jifu Li, Yundai Chen, Hai-Chien Kuo, Shih-Wa Ying, Wai-Fung Cheong, Yunlong Zhang, Xiaolu Su, Jeffery Popma, Runlin Gao, Gregg Stone
Aims: Absorb bioresorbable vascular scaffolds (BVS) and XIENCE cobalt-chromium everolimus-eluting stents (CoCr-EES) had comparable angiographic and clinical outcomes up to one year in patients enrolled in the ABSORB China randomised trial. Whether these favourable results with BVS continue beyond one year up to three years is unknown. In this study we sought to analyse the outcomes from the trial up to three-year follow-up. Methods and results: ABSORB China was a prospective, open-label, multicentre trial in which 480 patients with one or two native coronary artery lesions were randomised 1:1 to BVS (N=241) vs...
October 22, 2017: EuroIntervention
https://www.readbyqxmd.com/read/29213525/motor-learning-characterization-in-people-with-autism-spectrum-disorder-a-systematic-review
#10
Íbis Ariana Peña de Moraes, Thais Massetti, Tânia Brusque Crocetta, Talita Dias da Silva, Lilian Del Ciello de Menezes, Carlos Bandeira de Mello Monteiro, Fernando Henrique Magalhães
Autism Spectrum Disorder (ASD) is a neurodevelopmental disorder primarily characterized by deficits in social interaction, communication and implicit skill learning. OBJECTIVE: To analyse the results of research on "motor learning" and the means used for measuring "autistic disorder". METHODS: A systematic literature search was done using Medline/PubMed, Web of Science, BVS (virtual health library), and PsycINFO. We included articles that contained the keywords "autism" and "motor learning"...
July 2017: Dementia & Neuropsychologia
https://www.readbyqxmd.com/read/29212928/autographa-californica-nucleopolyhedrovirus-ac75-is-required-for-the-nuclear-egress-of-nucleocapsids-and-intranuclear-microvesicle-formation
#11
Anqi Shi, Zhaoyang Hu, Yachao Zuo, Yan Wang, Wenbi Wu, Meijin Yuan, Kai Yang
Autographa californica nucleopolyhedrovirus (AcMNPV) orf75 (ac75) is a highly conserved gene of unknown function. In this study, we constructed an ac75 knockout AcMNPV bacmid and investigated the role of ac75 in the baculovirus life cycle. The expression and distribution of the Ac75 protein were characterized, and its interaction with another viral protein was analyzed to further understand its function. Our data indicated that ac75 was required for the nuclear egress of nucleocapsids, intranuclear microvesicle formation, and subsequent budded virion (BV) formation, as well as occlusion-derived virion (ODV) envelopment and embedding of ODVs into polyhedra...
December 6, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29192590/catheter-ablation-in-the-treatment-of-electrical-storm-integrative-review
#12
REVIEW
Ricardo Teixeira Leal, Gabriel Costa Monteiro, Antônio da Silva Menezes Júnior
BACKGROUND: The incidence of electrical storm (ES) has been increasing with the rise of the indicated uses of implantable cardioverter defibrillators (ICDs). It is estimated that 20% of patients will evolve to have this complication. Ablative therapy stands out as the treatment for this condition when it is refractory to antiarrhythmic treatment. The objective was to define the current role of catheter ablation in the treatment of electrical storm. METHODS: An integrative literature review was performed using the PubMed and BVS databases...
September 2017: Indian Pacing and Electrophysiology Journal
https://www.readbyqxmd.com/read/29191384/the-effect-of-bioresorbable-vascular-scaffold-implantation-on-distal-coronary-endothelial-function-in-dyslipidemic-swine-with-and-without-diabetes
#13
Mieke van den Heuvel, Oana Sorop, Nienke S van Ditzhuijzen, René de Vries, Richard W B van Duin, Ilona Krabbendam-Peters, Janine E van Loon, Moniek P de Maat, Heleen M van Beusekom, Wim J van der Giessen, A H Jan Danser, Dirk J Duncker
BACKGROUND: We studied the effect of bioresorbable vascular scaffold (BVS) implantation on distal coronary endothelial function, in swine on a high fat diet without (HFD) or with diabetes (DM+HFD). METHODS: Five DM+HFD and five HFD swine underwent BVS implantation on top of coronary plaques, and were studied six months later. Conduit artery segments >5mm proximal and distal to the scaffold and corresponding control segments of non-scaffolded coronary arteries, as well as segments of small arteries within the flow-territories of scaffolded and non-scaffolded arteries were harvested for in vitro vasoreactivity studies...
November 20, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29171715/restenosis-patterns-after-bioresorbable-vascular-scaffold-implantation-angiographic-substudy-of-the-ghost-eu-registry
#14
Moritz Baquet, Holger Nef, Tomasso Gori, Azeem Latib, Davide Capodanno, Carlo Di Mario, Manel Sabate, Antonio Colombo, Corrado Tamburino, Julinda Mehilli
OBJECTIVES: To evaluate pattern of in-BVS-restenosis after bioresorbable vascular scaffold (BVS) implantation. BACKGROUND: In-stent restenosis morphology impacts target lesion revascularization (TLR) rates and clinical outcomes. Although several trials report on outcomes after BVS implantation, information about in-BVS restenosis pattern is still lacking. METHODS: Between November 2011 and January 2014, in 7 of 10 European centers participating in the GHOST-EU registry, 668 patients underwent BVS implantation...
November 24, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29168541/evaluation-of-bioresorbable-vascular-scaffolds-in-acute-coronary-syndrome-a-two-center-one-year-follow-up-analysis
#15
Sylwia Iwańczyk, Jarosław Hiczkiewicz, Aleksander Araszkiewicz, Magdalena Łanocha, Daria Adamczak, Wojciech Faron, Stefan Grajek, Maciej Lesiak
BACKGROUND: Bioresorbable vascular scaffolds (BVS) have emerged as a new treatment option in cardiovascular medicine. Nonetheless, there is still limited data on the use of these novel devices in patients with acute coronary syndromes (ACS). The purpose of this study was to evaluate the feasibility and efficacy of BVS implantation in patients with ACS. METHODS: The present report is a prospective, two-centre registry that involved 165 consecutive patients hospitalized with the diagnosis of ACS and treated with the Absorb BVS (Abbot Vascular, Santa Clara, USA)...
November 23, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/29167623/bioresorbable-vascular-scaffold-stent-delivered-to-tortuous-lesions-by-using-the-five-in-six-system
#16
Wen-Jung Chung, Hsiu-Yu Fang, Chiung-Jen Wu
A 5Fr ST01, which is a straight-tip guiding catheter with an inner lumen of 1.5 mm, is frequently used to perform the "child-in-mother" technique, which is also referred to as the "5-in-6" technique. A 6Fr or larger size guiding catheter can facilitate bioresorbable everolimus-eluting vascular scaffold (BVS) delivery. For tortuous lesions, the 5-in-6 technique can facilitate balloon catheters and the BVS in crossing tortuous lesions by increasing the back-up support. However, this maneuver couldn't be used for the larger size of BVS like 3...
November 2017: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/29167614/thirty-day-and-one-year-clinical-outcomes-of-bioresorbable-vascular-scaffold-implantation-a-single-center-experience
#17
Wei-Chieh Lee, Chiung-Jen Wu, Chien-Jen Chen, Cheng-Hsu Yang, Shu-Kai Hsueh, Hon-Kan Yip, Chi-Ling Hang, Chih-Yuan Fang, Hsiu-Yu Fang
Background: Available data on the use of the Bioresorbable vascular scaffold (BVS) (Abbott Vascular, Santa Clara, CA) in real-world patients is limited, particularly in Asian populations. The aim of this study was to assess clinical outcomes of patients treated with a BVS in real-world practice in Taiwan. Methods: This study focused on 156 patients with coronary artery disease and a total of 249 lesions who received BVS implantation from October 2012 to October 2015...
November 2017: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/29162491/effectiveness-of-individual-strategies-for-the-empowerment-of-patients-with-diabetes-mellitus-a-systematic-review-with-meta-analysis
#18
REVIEW
Jéssica Azevedo Aquino, Nayara Ragi Baldoni, Cristina Rabelo Flôr, Cristina Sanches, Cláudia Di Lorenzo Oliveira, Geisa Cristina Silva Alves, Amaury Lelis Dal Fabbro, André Oliveira Baldoni
AIMS: To identify and evaluate the effectiveness of individual empowerment strategies in patients with diabetes mellitus (DM). METHODS: A systematic review was performed in the PubMed, Scopus, Science Direct and BVS. For meta-analysis and evaluation of Cochrane Risk and Bias, Revman V 5.2 software was used. RESULTS: Eleven studies of 1073 publications met the inclusion criteria. The strategies used were individual consultations, phone calls, sessions via a website and use of a booklet...
November 18, 2017: Primary Care Diabetes
https://www.readbyqxmd.com/read/29160494/managing-febrile-neutropenia-in-adult-cancer-patients-an-integrative-review-of-the-literature
#19
Juliana Nunes Ferreira, Lury Renata Barbosa Ribeiro Correia, Renata Moreira de Oliveira, Silvia Naomi Watanabe, João Francisco Possari, Antônio Fernandes Costa Lima
OBJECTIVE: To analyze the interventions performed by health professionals with a view to managing chemotherapy-induced febrile neutropenia. METHOD: Integrative literature review, the sample of 12 primary articles was selected from the following databases: LILACS, SciELO, BVS, PubMed, CINAHL and Web of Science. RESULTS: There was a prevalence of studies, realized by doctors, focused on pharmacological treatment and on the association of methods for greater diagnostic accuracy of febrile neutropenia...
November 2017: Revista Brasileira de Enfermagem
https://www.readbyqxmd.com/read/29155384/first-serial-optical-coherence-tomography-assessment-at-baseline-12-and-24-months-in-stemi-patients-treated-with-the-second-generation-absorb%C3%A2-bioresorbable-vascular-scaffold
#20
Janusz Kochman, Koltowski Łukasz, Mariusz Tomaniak, Jacek Jąkała, Klaudia Proniewska, Jacek Legutko, Tomasz Roleder, Arkadiusz Piertrasik, Adam Rdzanek, Wacław Kochman, Salvatore Brugaletta, Grzegorz Opolski, Evelyn Regar
AIMS: The aim of the study was to assess the vascular healing response after Absorb bioresorbable vascular scaffold (BVS) implantation in patients with ST segment elevation myocardial infarction (STEMI) utilizing truly serial optical coherence tomography (OCT) examination at baseline, 12- and 24-months. METHODS AND RESULTS: This is the single-centre, prospective, longitudinal study with baseline, 12- and 24-month OCT evaluation of 18 STEMI patients treated with 22 Absorb BVS implantation...
November 21, 2017: EuroIntervention
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